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7008 - NTN

7008

Angular contact ball bearing, polyamide cage.

The single row angular contact ball bearing is designed to withstand combined loads with a predominant axial component. Installed in opposition with another bearing of the same type, it guarantees high mounting rigidity.

The NTN range is available in several variants: 30° or 40° angles, polyamide, pressed steel or solid brass cages, universal pairing available, clearances or preloads, etc.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter40 mm
D - External diameter68 mm
B - Bearing/Inner ring width15 mm
a - Charge load application point23 mm
α - Contact angle30 °
rs - Min fillet radius1 mm
r1s - Min fillet radius0,6 mm
Radial clearance classCN
Mass0,222 kg
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PRODUCT PERFORMANCE
C - Dynamic load20,8 kN
C0 - Static load14,6 kN
Cu - Fatigue limit load1,07 kN
N lim - Oil lubrication limit speed14000 tr/min
N lim - Grease lubrication limit speed10000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR45,5 mm
Da max - Max shoulder diameter OR62,5 mm
Db max - Max OR shoulder diameter63,5 mm
r1a - Max fillet radius0,6 mm
ra max - Max shaft & housing fillet radius1 mm
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